C3132121111133313233121111331333133313331312121111121133132233322331   >>    C313212111113331323312111133133313331333131212111112113313223332233   <<    C3132121111133313233121111331333133313331312121111121133132233322333   >>      C3132121111133313233121111331333133313331312121111121133132233322332   >>